<?php // Original snippet // https://www.strangebuzz.com/en/snippets/modifying-array-values-with-array-map-and-an-anonymous-function $array = [ 'kikoo' => 'cat', 'foo' => 'bar', ]; $array1 = array_map(function ($value) { return $value.$value; }, $array); // for simple cases, pass the PHP function name directly $array2 = array_map('strtoupper', $array); print_r($array1); print_r($array2);
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Value for `_results` contains invalid data `array`